Thursday, August 7th, 2014...2:03 pm

VIDEO: Using horticultural oil to control insects

Horticultural oil is a great way to control many insects on plants. The oil acts to smother the adults or egg stages of several different species of pests. Horticultural oils are refined petroleum oils combinedwith an emulsifying agent. Some plant-derived oils also are used.Depending on the weight of the oil, you can use them all year or just in winter. Be sure to read the labels carefully. Horticultural oils can damage some sensitive plants. If you use the oil that i…

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